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A_ administrator designs , implement and maintain a successful database environment.answer me fast​

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Alpha particles (a) are composite particles consisting of TWO protons and two neutrons tightly BOUND together (Figure 1). They are emitted from the NUCLEUS of some radionuclides during a form of radioactive decay, called alpha-decay. An alpha-particle is identical to the nucleus of a normal (atomic mass four) helium ATOM i.e. a doubly ionised helium atom.



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